It has been said that ToM is directly linked to mirror neurons (Comer, Gould, & Furnham, 2013), if the frontal and parietal cortices of the brain, where they are located, are damaged, the ToM may be lost, implying that it is a function of nature. It has also been said that, without ToM, social communication would be challenging as we would need verbal information regarding the intentions and feelings of others, this indicates that ToM is an adaptive trait, suggesting that nature is responsible (Comer, Gould, & Furnham, 2013). Although some researchers have argued that ToM does not develop until age 3 or 4 (Westen, 1999), Repacholi and Gopnik found that 2-year-olds can infer from the face an experimenter makes after eating a certain food, that they do not want it even if they like the food (as cited in Westen, 1999). This evidence implies that ToM is an innate ability, supporting the idea that it is due to nature rather than nurture. Another study that provides evidence that ToM is a function of nature is the study by Leslie, who concluded that although ToM does not develop until childhood, it is actually innately determined (as cited in Gross, 1999). Autism plays a key role in the discussion about ToM, the disorder results from abnormal functioning of the brain, often with genetic causes. Children with autism lack ToM, suggesting that nature determines whether you have it (Berk, 2006). The fact that children with mental problems do not perform well on tasks requiring mental understanding (Berk, 2006) also supports the idea that nature has a large impact on ToM as evidence suggests that problems with the brain lead to problems with